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Baek, Jong-Beom
Center for Dimension-Controllable Organic Frameworks
Research Interests
  • Covalent Organic Frameworks (COFs), Carbon Nanotubes(CNTs), graphene, Energy Conversion and Storage

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Electrochemical activity of a polyaniline/polyaniline-grafted multiwalled carbon nanotube mixture produced by a simple suspension polymerization

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Title
Electrochemical activity of a polyaniline/polyaniline-grafted multiwalled carbon nanotube mixture produced by a simple suspension polymerization
Author
Choi, Hyun-JungJeon, In-YupKang, Sang-WookBaek, Jong-Beom
Keywords
Acidic solutions; Carbon content; Composite; Core shell structure; Doping levels; Electrical conductivity; Electrochemical activities; Four-order; Suspension polymerization; Two phase mixtures
Issue Date
201111
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
ELECTROCHIMICA ACTA, v.56, no.27, pp.10023 - 10031
Abstract
A polyaniline (PANi)/PANi-grafted multiwalled carbon nanotube (PANi/PANi-g-MWCNT) mixture was prepared by simple suspension (dynamic interfacial) polymerization. Scanning electron microscopy showed a two-phase mixture of PANi and PANi-g-MWCNTs while transmission electron microscopy of PANi-g-MWCNT showed a core-shell structure with outer PANi layer (5-10 nm). Depending on the doping level, estimated by relative carbon content, the electrical conductivity of PANi/PANi-g-MWCNT was improved by more than four orders of magnitude over that of PANi. The composite also displayed high electrochemical activity with improved stability in an oxygen-saturated acidic solution.
URI
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DOI
http://dx.doi.org/10.1016/j.electacta.2011.08.103
ISSN
0013-4686
Appears in Collections:
ECHE_Journal Papers

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